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GPU Comparison
AMD Radeon HD 8470 OEM vs ATI Radeon HD 3870
AMD Radeon HD 8470 OEM vs ATI Radeon HD 3870
VS
AMD Radeon HD 8470 OEM
ATI Radeon HD 3870
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8470 OEM and 512MB VRAM Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 8470 OEM 's Advantages
Released 5 years and 2 months late
More VRAM (1024GB vs 512GB)
Lower TDP (35W vs 106W)
ATI Radeon HD 3870 's Advantages
Larger VRAM bandwidth (72.06GB/s vs 25.60GB/s)
160 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 8470 OEM
0.248 TFLOPS
Radeon HD 3870
+100%
0.497 TFLOPS
Radeon HD 8470 OEM
VS
Radeon HD 3870
Graphics Card
Jan 2013
Release Date
Nov 2007
Sea Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
800 MHz
Memory Clock
1126 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR4
64bit
Memory Bus
256bit
25.60GB/s
Bandwidth
72.06GB/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
3.100 GPixel/s
Pixel Rate
12.43 GPixel/s
6.200 GTexel/s
Texture Rate
12.43 GTexel/s
-
FP16 (half)
-
248.0 GFLOPS
FP32 (float)
497.3 GFLOPS
-
FP64 (double)
99.46 GFLOPS
Graphics Processor
Caicos
GPU Name
RV670
Caicos XT (215-0804070)
GPU Variant
RV670 XT (215-0708005)
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
106W
200 W
Suggested PSU
300 W
1x DVI 1x HDMI 1.3a
Outputs
2x DVI 1x S-Video
None
Power Connectors
1x 6-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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