AMD Radeon HD 6850 X2 vs AMD Radeon RX 7900 GRE
GPU · Specs Compare
Graphics Card
Release Date
Sep 2011
Jul 2023
Generation
Northern Islands
Navi III
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1050 MHz
2250 MHz
Base Clock
—
1287 MHz
Boost Clock
—
2245 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
134.4GB/s
576.0GB/s
Render Config
Compute Units
12
80
Shading Units
960
5120
TMUs
48
320
ROPs
32
160
L1 Cache
8 KB (per CU)
256 KB per Array
L2 Cache
512 KB
6 MB
RT Cores
—
80
L3 Cache
—
64 MB
Theoretical Performance
Pixel Rate
25.60 GPixel/s
359.2 GPixel/s
Texture Rate
38.40 GTexel/s
718.4 GTexel/s
FP32 (float)
1.536 TFLOPS
45.98 TFLOPS
FP16 (half)
—
91.96 TFLOPS
FP64 (double)
—
1436.8 GFLOPS
Graphics Processor
GPU Name
Barts
Navi 31
GPU Variant
Barts PRO(215-0798006)
Navi 31 XL(215-145000206)
Architecture
TeraScale 2
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
40 nm
5 nm
Transistors
1.7 billion
57.7 billion
Die Size
255 mm²
529 mm²
Board Design
TDP
254W
260W
Suggested PSU
600 W
600 W
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
OpenCL
1.2
2.2
Vulkan
N/A
1.3
Shader Model
5.0
6.8
Benchmark
3DMark Time Spy
—
22,476
3DMark Time Spy Extreme
—
10,591
3DMark Speed Way
—
4,417
Cyberpunk 2077 2160p
—
40
Cyberpunk 2077 1440p
—
88
Blender
—
3,114
Cyberpunk 2077 1080p
—
130
▲ Specs Compare
Data sourced from official specifications and benchmark tests.