AMD Radeon RX 6950 XT vs AMD Radeon HD 6790
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6950 XT and 1024MB VRAM Radeon HD 6790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6950 XT 's Advantages
Released 11 years and 1 months late
Boost Clock2310MHz
More VRAM (16GB vs 1024GB)
Larger VRAM bandwidth (576.0GB/s vs 134.4GB/s)
4320 additional rendering cores
AMD Radeon HD 6790 's Advantages
Lower TDP (150W vs 335W)
Score
Benchmark
FP32 (float)
Radeon RX 6950 XT
+1659%
23.65 TFLOPS
Radeon HD 6790
1.344 TFLOPS
Graphics Card
May 2022
Release Date
Apr 2011
Navi II
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1860 MHz
Base Clock
-
2310 MHz
Boost Clock
-
2250 MHz
Memory Clock
1050 MHz
Memory
16GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
576.0GB/s
Bandwidth
134.4GB/s
Render Config
80
Compute Units
10
-
-
-
5120
Shading Units
800
320
TMUs
40
128
ROPs
16
-
-
-
80
RT Cores
-
128 KB per Array
L1 Cache
8 KB (per CU)
4 MB
L2 Cache
512 KB
128 MB
L3 Cache
-
Theoretical Performance
295.7 GPixel/s
Pixel Rate
13.44 GPixel/s
739.2 GTexel/s
Texture Rate
33.60 GTexel/s
47.31 TFLOPS
FP16 (half)
-
23.65 TFLOPS
FP32 (float)
1344 GFLOPS
1478 GFLOPS
FP64 (double)
-
Board Design
335W
TDP
150W
700 W
Suggested PSU
450 W
1x HDMI 2.1
2x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
2x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
Navi 21
GPU Name
Barts
Navi 21 KXTX
(215-121000289)
GPU Variant
Barts LE
(215-0798002)
RDNA 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
7 nm
Process Size
40 nm
26.8 billion
Transistors
1.7 billion
520 mm²
Die Size
255 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.3
Vulkan
N/A
-
-
-
6.5
Shader Model
5.0
