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GPU Comparison
AMD Radeon RX 6800 vs ATI Radeon HD 4870 X2
AMD Radeon RX 6800 vs ATI Radeon HD 4870 X2
VS
AMD Radeon RX 6800
ATI Radeon HD 4870 X2
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 and 1024MB VRAM Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6800 's Advantages
Released 12 years and 2 months late
Boost Clock2105MHz
More VRAM (16GB vs 1GB)
Larger VRAM bandwidth (512.0GB/s vs 115.2GB/s)
3040 additional rendering cores
Lower TDP (250W vs 286W)
Score
Benchmark
FP32 (float)
Radeon RX 6800
+1247%
16.17 TFLOPS
Radeon HD 4870 X2
1.2 TFLOPS
Radeon RX 6800
VS
Radeon HD 4870 X2
Graphics Card
Oct 2020
Release Date
Aug 2008
Navi II
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1700 MHz
Base Clock
-
2105 MHz
Boost Clock
-
2000 MHz
Memory Clock
900 MHz
Memory
16GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
512.0GB/s
Bandwidth
115.2GB/s
Render Config
-
SM Count
-
60
Compute Units
10
3840
Shading Units
800
240
TMUs
40
96
ROPs
16
-
Tensor Cores
-
60
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
256 KB
Theoretical Performance
202.1 GPixel/s
Pixel Rate
12.00 GPixel/s
505.2 GTexel/s
Texture Rate
30.00 GTexel/s
32.33 TFLOPS
FP16 (half)
-
16.17 TFLOPS
FP32 (float)
1200 GFLOPS
1010 GFLOPS
FP64 (double)
240.0 GFLOPS
Graphics Processor
Navi 21
GPU Name
R700
Navi 21 XL (215-121000187)
GPU Variant
R700 XT (215-0669045)
RDNA 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
7 nm
Process Size
55 nm
26.8 billion
Transistors
0.956 billion
520 mm²
Die Size
256 mm²
Board Design
250W
TDP
286W
600 W
Suggested PSU
600 W
1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C
Outputs
2x DVI 1x S-Video
2x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.1
OpenCL
1.1
1.3
Vulkan
N/A
-
CUDA
-
6.5
Shader Model
4.1
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