AMD Radeon HD 7990 vs AMD FirePro W4000
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 2GB VRAM FirePro W4000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7990 's Advantages
Released 8 months late
Boost Clock1000MHz
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 102.4GB/s)
1280 additional rendering cores
AMD FirePro W4000 's Advantages
Lower TDP (75W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 7990
+223%
4.096 TFLOPS
FirePro W4000
1.267 TFLOPS
Graphics Card
Apr 2013
Release Date
Aug 2012
Southern Islands
Generation
FirePro
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
950 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1500 MHz
Memory Clock
800 MHz
Memory
3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
288.0GB/s
Bandwidth
102.4GB/s
Render Config
32
Compute Units
12
-
-
-
2048
Shading Units
768
128
TMUs
48
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
32.00 GPixel/s
Pixel Rate
26.40 GPixel/s
128.0 GTexel/s
Texture Rate
39.60 GTexel/s
-
-
-
4.096 TFLOPS
FP32 (float)
1267 GFLOPS
1024 GFLOPS
FP64 (double)
79.20 GFLOPS
Board Design
375W
TDP
75W
750 W
Suggested PSU
250 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
1x DVI
2x DisplayPort 1.2
2x 8-pin
Power Connectors
None
Graphics Processor
Malta
GPU Name
Pitcairn
Malta XT
(215-0849026)
GPU Variant
Pitcairn LE GL
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
2.8 billion
365 mm²
Die Size
212 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.2
OpenCL
1.2
1.2
Vulkan
1.2
-
-
-
5.1
Shader Model
5.1
