ATI Mobility Radeon HD 3850 X2 vs GeForce GTX 470

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking	575	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.14	no data
Power efficiency	2.67	no data
Architecture	Fermi (2010−2014)	TeraScale (2005−2013)
GPU code name	GF100	M88
Market segment	Desktop	Laptop
Release date	26 March 2010 (15 years ago)	4 June 2008 (17 years ago)
Launch price (MSRP)	$349	no data

Cost-effectiveness evaluation

The higher the ratio, the better. We use the manufacturer's recommended prices.

Performance to price scatter graph

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	448	320 ×2
Core clock speed	607 MHz	580 MHz
Number of transistors	3,100 million	666 million
Manufacturing process technology	40 nm	55 nm
Power consumption (TDP)	215 Watt	70 Watt
Maximum GPU temperature	105 °C	no data
Texture fill rate	34.05	9.280 ×2
Floating-point processing power	1.089 TFLOPS	0.3712 TFLOPS ×2
ROPs	40	16 ×2
TMUs	56	16 ×2
L1 Cache	896 KB	no data
L2 Cache	640 KB	256 KB

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop size	no data	large
Bus support	16x PCI-E 2.0	no data
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Length	241 mm	no data
Height	4.376" (111 mm) (11.1 cm)	no data
Width	2-slot	no data
Supplementary power connectors	2x 6-pin	no data
SLI options	+	-

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	GDDR5	GDDR3
Maximum RAM amount	1280 MB	512 MB ×2
Memory bus width	320 Bit	256 Bit ×2
Memory clock speed	1674 MHz (3348 data rate)	750 MHz
Memory bandwidth	133.9 GB/s	48 GB/s ×2
Shared memory	-	-

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors	Two Dual Link DVIMini HDMI	No outputs
Multi monitor support	+	no data
HDMI	+	-
Maximum VGA resolution	2048x1536	no data
Audio input for HDMI	Internal	no data

API and SDK support

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	12 (11_0)	10.1 (10_1)
Shader Model	5.1	4.1
OpenGL	4.2	3.3
OpenCL	1.1	N/A
Vulkan	N/A	N/A
CUDA	+	-

Pros & cons summary

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Recency	26 March 2010	4 June 2008
Maximum RAM amount	1280 MB	512 MB
Chip lithography	40 nm	55 nm
Power consumption (TDP)	215 Watt	70 Watt

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