ATI FireGL V7100 vs Radeon R9 255 OEM

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)R400 (2004−2008)
GPU code nameCape VerdeR480
Market segmentDesktopWorkstation
Release date21 December 2013 (10 years ago)1 December 2004 (19 years ago)
Launch price (MSRP)no data$1,099

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 cores512no data
Core clock speed900 MHz507 MHz
Boost clock speed930 MHzno data
Number of transistors1,500 million160 million
Manufacturing process technology28 nm130 nm
Power consumption (TDP)65 Watt91 Watt
Texture fill rate29.766.084
Floating-point processing power0.9523 TFLOPSno data
ROPs1612
TMUs3212

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).

InterfacePCIe 3.0 x16PCIe 1.0 x16
Lengthno data211 mm
Width2-slot2-slot
Supplementary power connectors1x 6-pin1x 6-pin

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 typeGDDR5GDDR3
Maximum RAM amount2 GB256 MB
Memory bus width128 Bit256 Bit
Memory clock speed1150 MHz520 MHz
Memory bandwidth73.6 GB/s33.28 GB/s

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 ConnectorsNo outputs2x DVI, 1x S-Video

API compatibility

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

DirectX12 (11_1)9.0b (9_2)
Shader Model5.1no data
OpenGL4.62.0
OpenCL1.2N/A
Vulkan1.2.131N/A

Pros & cons summary


Recency 21 December 2013 1 December 2004
Maximum RAM amount 2 GB 256 MB
Chip lithography 28 nm 130 nm
Power consumption (TDP) 65 Watt 91 Watt

R9 255 OEM has an age advantage of 9 years, a 700% higher maximum VRAM amount, a 364.3% more advanced lithography process, and 40% lower power consumption.

We couldn't decide between Radeon R9 255 OEM and FireGL V7100. We've got no test results to judge.

Be aware that Radeon R9 255 OEM is a desktop card while FireGL V7100 is a workstation one.


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

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AMD Radeon R9 255 OEM
Radeon R9 255 OEM
ATI FireGL V7100
FireGL V7100

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