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GPU Comparison
AMD Radeon HD 8490 OEM vs ATI Radeon HD 3850 X3
AMD Radeon HD 8490 OEM vs ATI Radeon HD 3850 X3
VS
AMD Radeon HD 8490 OEM
ATI Radeon HD 3850 X3
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8490 OEM and 512MB VRAM Radeon HD 3850 X3 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 8490 OEM 's Advantages
More VRAM (1024GB vs 512GB)
Lower TDP (35W vs 145W)
ATI Radeon HD 3850 X3 's Advantages
Larger VRAM bandwidth (54.40GB/s vs 14.40GB/s)
160 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 8490 OEM
0.28 TFLOPS
Radeon HD 3850 X3
+52%
0.428 TFLOPS
Radeon HD 8490 OEM
VS
Radeon HD 3850 X3
Graphics Card
Jul 2013
Release Date
Unknown
Sea Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
850 MHz
Memory
1024MB
Memory Size
512MB
DDR3
Memory Type
GDDR3
64bit
Memory Bus
256bit
14.40GB/s
Bandwidth
54.40GB/s
Render Config
-
SM Count
-
2
Compute Units
4
160
Shading Units
320
8
TMUs
16
4
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
-
128 KB
L2 Cache
256 KB
Theoretical Performance
3.500 GPixel/s
Pixel Rate
10.70 GPixel/s
7.000 GTexel/s
Texture Rate
10.70 GTexel/s
-
FP16 (half)
-
280.0 GFLOPS
FP32 (float)
428.2 GFLOPS
-
FP64 (double)
-
Graphics Processor
Caicos
GPU Name
RV670
Caicos XTX
GPU Variant
RV670 PRO (215-0708003)
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
0.37 billion
Transistors
0.666 billion
67 mm²
Die Size
192 mm²
Board Design
35W
TDP
145W
200 W
Suggested PSU
300 W
1x DVI 1x DisplayPort 1.1
Outputs
4x DVI
None
Power Connectors
1x 8-pin
Graphics Features
11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3 (full) 4.0 (partial)
1.2
OpenCL
N/A
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
4.1
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8
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9
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