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GPU Comparison
AMD Radeon HD 8990 OEM vs ATI Radeon HD 2600 XT Mac Edition
AMD Radeon HD 8990 OEM vs ATI Radeon HD 2600 XT Mac Edition
VS
AMD Radeon HD 8990 OEM
ATI Radeon HD 2600 XT Mac Edition
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8990 OEM and 256MB VRAM Radeon HD 2600 XT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 8990 OEM 's Advantages
Released 5 years and 2 months late
Boost Clock1000MHz
Larger VRAM bandwidth (288.0GB/s vs 25.60GB/s)
1928 additional rendering cores
ATI Radeon HD 2600 XT Mac Edition 's Advantages
Lower TDP (45W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 8990 OEM
+2338%
4.096 TFLOPS
Radeon HD 2600 XT Mac Edition
0.168 TFLOPS
Radeon HD 8990 OEM
VS
Radeon HD 2600 XT Mac Edition
Graphics Card
Apr 2013
Release Date
Feb 2008
Sea Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
950 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1500 MHz
Memory Clock
800 MHz
Memory
3GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
128bit
288.0GB/s
Bandwidth
25.60GB/s
Render Config
-
SM Count
-
32
Compute Units
3
2048
Shading Units
120
128
TMUs
8
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
768 KB
L2 Cache
64 KB
Theoretical Performance
32.00 GPixel/s
Pixel Rate
2.800 GPixel/s
128.0 GTexel/s
Texture Rate
5.600 GTexel/s
-
FP16 (half)
-
4.096 TFLOPS
FP32 (float)
168.0 GFLOPS
1024 GFLOPS
FP64 (double)
-
Graphics Processor
Malta
GPU Name
RV630
Malta XT (215-0849026)
GPU Variant
-
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
65 nm
4.313 billion
Transistors
0.39 billion
365 mm²
Die Size
153 mm²
Board Design
375W
TDP
45W
750 W
Suggested PSU
200 W
1x DVI 4x mini-DisplayPort 1.2
Outputs
2x DVI
2x 8-pin
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3
1.2
OpenCL
N/A
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
4.0
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