Radeon R4 (Kaveri) vs FirePro M8900

Primary details

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

Place in the ranking	not rated	1132
Place by popularity	not in top-100	not in top-100
Architecture	TeraScale 2 (2009−2015)	GCN 1.1 (2014)
GPU code name	Blackcomb	Kaveri
Market segment	Mobile workstation	Laptop
Release date	12 April 2011 (13 years ago)	4 June 2014 (10 years ago)

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	960	192
Core clock speed	680 MHz	533 MHz
Number of transistors	1,700 million	2410 Million
Manufacturing process technology	40 nm	28 nm
Power consumption (TDP)	75 Watt	no data
Texture fill rate	32.64	no data
Floating-point processing power	1.306 TFLOPS	no data
ROPs	32	no data
TMUs	48	no data

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	large	no data
Bus support	n/a	no data
Interface	MXM-B (3.0)	no data
Form factor	MXM-B	no data
Supplementary power connectors	None	no data

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	no data
Maximum RAM amount	2 GB	no data
Memory bus width	256 Bit	64/128 Bit
Memory clock speed	900 MHz	no data
Memory bandwidth	115 GB/s	no data
Shared memory	-	+

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

No outputs

no data

API compatibility

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

DirectX	11.2 (11_0)	12 (FL 12_0)
Shader Model	5.0	no data
OpenGL	4.4	no data
OpenCL	1.2	no data
Vulkan	N/A	-

Pros & cons summary

---

Recency	12 April 2011	4 June 2014
Chip lithography	40 nm	28 nm

---

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.

---