Radeon 780M vs HD 4850 X2

Place in performance ranking	747	283
Place by popularity	not in top-100	57
Architecture	TeraScale (2005−2013)	RDNA 3
GPU code name	R700	Phoenix
Market segment	Desktop	Laptop
Release date	7 November 2008 (15 years ago)	5 January 2023 (1 year ago)
Launch price (MSRP)	$420	no data

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	800	768
Core clock speed	625 MHz	1500 MHz
Boost clock speed	no data	3000 MHz
Number of transistors	956 million	25,390 million
Manufacturing process technology	55 nm	4 nm
Power consumption (TDP)	250 Watt	54 Watt (35 - 54 Watt TGP)
Texture fill rate	25.00	139.2
Floating-point performance	2x 1,000.0 gflops	no data

Form factor & compatibility

Information on Radeon HD 4850 X2 and Radeon 780M compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Interface	PCIe 2.0 x16	PCIe 4.0 x8
Length	267 mm	no data
Width	2-slot	no data
Supplementary power connectors	1x 6-pin + 1x 8-pin	None

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	GDDR3	System Shared
Maximum RAM amount	512 MB	System Shared
Memory bus width	256 Bit	System Shared
Memory clock speed	1990 MHz	System Shared
Memory bandwidth	63.68 GB/s	no data
Shared memory	no data	+

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors

4x DVI, 1x S-Video

Portable Device Dependent

API compatibility

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX	10.1 (10_1)	12 Ultimate (12_2)
Shader Model	4.1	6.7
OpenGL	3.3	4.6
OpenCL	1.1	2.1
Vulkan	N/A	1.3

Synthetic benchmark performance

Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark performance score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

ATI HD 4850 X2 2.93

Radeon 780M 18.36
+527%

780M outperforms HD 4850 X2 by 527% based on our aggregate benchmark results.

Passmark

This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

Benchmark coverage: 25%

ATI HD 4850 X2 1132

Radeon 780M 7090
+526%

780M outperforms HD 4850 X2 by 526% in Passmark.