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GPU Comparison
AMD Radeon RX 7950 XTX vs AMD Radeon HD 6870
AMD Radeon RX 7950 XTX vs AMD Radeon HD 6870
VS
AMD Radeon RX 7950 XTX
AMD Radeon HD 6870
We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7950 XTX and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7950 XTX 's Advantages
Boost Clock3300MHz
More VRAM (24GB vs 1GB)
Larger VRAM bandwidth (960.0GB/s vs 134.4GB/s)
5024 additional rendering cores
AMD Radeon HD 6870 's Advantages
Lower TDP (151W vs 355W)
Score
Benchmark
FP32 (float)
Radeon RX 7950 XTX
+3922%
81.1 TFLOPS
Radeon HD 6870
2.016 TFLOPS
Radeon RX 7950 XTX
VS
Radeon HD 6870
Graphics Card
Unknown
Release Date
Oct 2010
Navi III
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2200 MHz
Base Clock
-
3300 MHz
Boost Clock
-
2500 MHz
Memory Clock
1050 MHz
Memory
24GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
384bit
Memory Bus
256bit
960.0GB/s
Bandwidth
134.4GB/s
Render Config
-
SM Count
-
96
Compute Units
14
6144
Shading Units
1120
384
TMUs
56
192
ROPs
32
-
Tensor Cores
-
96
RT Cores
-
256 KB per Array
L1 Cache
8 KB (per CU)
6 MB
L2 Cache
512 KB
Theoretical Performance
633.6 GPixel/s
Pixel Rate
28.80 GPixel/s
1267 GTexel/s
Texture Rate
50.40 GTexel/s
162.2 TFLOPS
FP16 (half)
-
81.10 TFLOPS
FP32 (float)
2.016 TFLOPS
2.534 TFLOPS
FP64 (double)
-
Graphics Processor
Navi 31
GPU Name
Barts
Navi 31 XTX+
GPU Variant
Barts XT (215-0798000)
RDNA 3.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
5 nm
Process Size
40 nm
57.7 billion
Transistors
1.7 billion
529 mm²
Die Size
255 mm²
Board Design
355W
TDP
151W
750 W
Suggested PSU
450 W
1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
2x 8-pin
Power Connectors
2x 6-pin
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.2
OpenCL
1.2
1.3
Vulkan
N/A
-
CUDA
-
6.7
Shader Model
5.0
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