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GPU Comparison
ATI Radeon HD 4870 vs AMD Radeon 550X 640SP
ATI Radeon HD 4870 vs AMD Radeon 550X 640SP
VS
ATI Radeon HD 4870
AMD Radeon 550X 640SP
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4870 's Advantages
Larger VRAM bandwidth (115.2GB/s vs 48.00GB/s)
160 additional rendering cores
AMD Radeon 550X 640SP 's Advantages
Released 9 years and 10 months late
Boost Clock1071MHz
Lower TDP (50W vs 150W)
Score
Benchmark
FP32 (float)
Radeon HD 4870
1.2 TFLOPS
Radeon 550X 640SP
+14%
1.371 TFLOPS
Radeon HD 4870
VS
Radeon 550X 640SP
Graphics Card
Jun 2008
Release Date
Apr 2018
Radeon R700
Generation
Polaris
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1019 MHz
-
Boost Clock
1071 MHz
900 MHz
Memory Clock
1500 MHz
Memory
512MB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
64bit
115.2GB/s
Bandwidth
48.00GB/s
Render Config
-
SM Count
-
10
Compute Units
10
800
Shading Units
640
40
TMUs
40
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
Theoretical Performance
12.00 GPixel/s
Pixel Rate
17.14 GPixel/s
30.00 GTexel/s
Texture Rate
42.84 GTexel/s
-
FP16 (half)
1371 GFLOPS
1200 GFLOPS
FP32 (float)
1371 GFLOPS
240.0 GFLOPS
FP64 (double)
85.68 GFLOPS
Graphics Processor
RV770
GPU Name
Lexa
RV770 XT (215-0669049)
GPU Variant
Lexa PRO (215-0904018)
TeraScale
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
55 nm
Process Size
14 nm
0.956 billion
Transistors
2.2 billion
256 mm²
Die Size
103 mm²
Board Design
150W
TDP
50W
450 W
Suggested PSU
250 W
2x DVI 1x S-Video
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
2x 6-pin
Power Connectors
None
Graphics Features
10.1 (10_1)
DirectX
12 (12_0)
3.3
OpenGL
4.6
1.1
OpenCL
2.1
N/A
Vulkan
1.2
-
CUDA
-
4.1
Shader Model
6.4
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