AMD Radeon HD 7990 vs AMD FireStream 9350
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 2GB VRAM FireStream 9350 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7990 's Advantages
Released 2 years and 10 months late
Boost Clock1000MHz
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 128.0GB/s)
608 additional rendering cores
AMD FireStream 9350 's Advantages
Lower TDP (150W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 7990
+103%
4.096 TFLOPS
FireStream 9350
2.016 TFLOPS
Graphics Card
Apr 2013
Release Date
Jun 2010
Southern Islands
Generation
FireStream
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
950 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1500 MHz
Memory Clock
1000 MHz
Memory
3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
288.0GB/s
Bandwidth
128.0GB/s
Render Config
32
Compute Units
18
-
-
-
2048
Shading Units
1440
128
TMUs
72
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
768 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
32.00 GPixel/s
Pixel Rate
22.40 GPixel/s
128.0 GTexel/s
Texture Rate
50.40 GTexel/s
-
-
-
4.096 TFLOPS
FP32 (float)
2.016 TFLOPS
1024 GFLOPS
FP64 (double)
403.2 GFLOPS
Board Design
375W
TDP
150W
750 W
Suggested PSU
450 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
1x DisplayPort 1.1
2x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
Malta
GPU Name
Cypress
Malta XT
(215-0849026)
GPU Variant
Cypress PRO GL
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
4.313 billion
Transistors
2.154 billion
365 mm²
Die Size
334 mm²
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
5.0
