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GPU Comparison
ATI Radeon HD 4870 X2 vs AMD Radeon HD 8550 OEM
ATI Radeon HD 4870 X2 vs AMD Radeon HD 8550 OEM
VS
ATI Radeon HD 4870 X2
AMD Radeon HD 8550 OEM
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 1024MB VRAM Radeon HD 8550 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4870 X2 's Advantages
Larger VRAM bandwidth (115.2GB/s vs 25.60GB/s)
320 additional rendering cores
AMD Radeon HD 8550 OEM 's Advantages
Released 5 years and 2 months late
Lower TDP (60W vs 286W)
Score
Benchmark
FP32 (float)
Radeon HD 4870 X2
+92%
1.2 TFLOPS
Radeon HD 8550 OEM
0.624 TFLOPS
Radeon HD 4870 X2
VS
Radeon HD 8550 OEM
Graphics Card
Aug 2008
Release Date
Oct 2013
Radeon R700
Generation
Sea Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
800 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
115.2GB/s
Bandwidth
25.60GB/s
Render Config
-
SM Count
-
10
Compute Units
6
800
Shading Units
480
40
TMUs
24
16
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
256 KB
Theoretical Performance
12.00 GPixel/s
Pixel Rate
5.200 GPixel/s
30.00 GTexel/s
Texture Rate
15.60 GTexel/s
-
FP16 (half)
-
1200 GFLOPS
FP32 (float)
624.0 GFLOPS
240.0 GFLOPS
FP64 (double)
-
Graphics Processor
R700
GPU Name
Turks
R700 XT (215-0669045)
GPU Variant
Turks PRO (215-0803002)
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.956 billion
Transistors
0.716 billion
256 mm²
Die Size
118 mm²
Board Design
286W
TDP
60W
600 W
Suggested PSU
250 W
2x DVI 1x S-Video
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Features
10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
-
CUDA
-
4.1
Shader Model
5.0
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