Home GPU Comparison AMD Radeon HD 6950 vs AMD Radeon RX 8800 XT

AMD Radeon HD 6950 vs AMD Radeon RX 8800 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 16GB VRAM Radeon RX 8800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950 's Advantages
Lower TDP (200W vs 220W)
AMD Radeon RX 8800 XT 's Advantages
Boost Clock2430MHz
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (624.1GB/s vs 160.0GB/s)
2688 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 6950
2.253 TFLOPS
Radeon RX 8800 XT +783%
19.91 TFLOPS
VS

Graphics Card

Dec 2010
Release Date
Unknown
Northern Islands
Generation
Navi IV(RX 8000)
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

-
Base Clock
1295 MHz
-
Boost Clock
2430 MHz
1250 MHz
Memory Clock
2438 MHz

Memory

2GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
256bit
160.0GB/s
Bandwidth
624.1GB/s

Render Config

22
Compute Units
64
-
-
-
1408
Shading Units
4096
88
TMUs
256
32
ROPs
96
-
-
-
-
RT Cores
64
8 KB (per CU)
L1 Cache
128 KB per Array
512 KB
L2 Cache
4 MB
-
L3 Cache
64 MB

Theoretical Performance

25.60 GPixel/s
Pixel Rate
233.3 GPixel/s
70.40 GTexel/s
Texture Rate
622.1 GTexel/s
-
FP16 (half)
39.81 TFLOPS
2.253 TFLOPS
FP32 (float)
19.91 TFLOPS
563.2 GFLOPS
FP64 (double)
622.1 GFLOPS

Board Design

200W
TDP
220W
550 W
Suggested PSU
550 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
2x 6-pin
Power Connectors
2x 8-pin

Graphics Processor

Cayman
GPU Name
Navi 48
Cayman PRO (215-0807019)
GPU Variant
Navi 48 XT
TeraScale 3
Architecture
RDNA 4.0
TSMC
Foundry
TSMC
40 nm
Process Size
4 nm
2.64 billion
Transistors
Unknown
389 mm²
Die Size
Unknown

Graphics Features

11.2 (11_0)
DirectX
12 Ultimate (12_2)
4.4
OpenGL
4.6
1.2
OpenCL
2.2
N/A
Vulkan
1.3
-
-
-
5.0
Shader Model
6.8

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