GPU Comparison
RADEON
AMD Radeon HD 6850 X2
CORE STATE
Barts
VRAM
2 GB
CLOCK SPEED
—
TDP
254 W
BUS WIDTH
256 bit
ARCHITECTURE
TeraScale 2
PROCESS
40 nm
LAUNCH DATE
2011
VS
GEFORCE
GeForce RTX 5090 D
CORE STATE
GB202
VRAM
32 GB
CLOCK SPEED
2407 MHz
TDP
575 W
BUS WIDTH
512 bit
ARCHITECTURE
Blackwell 2.0
PROCESS
5 nm
LAUNCH DATE
2025
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6850 X2
RTX 5090 D
Core Specs
Shading Units
960
21,760
+2166.7%
Shaders
960
21,760
+2166.7%
TMUs
48
680
+1316.7%
ROPs
32
176
+450.0%
Compute Units
12
—
SM Count
—
170
Clocks
Base Clock
—
2017 MHz
Boost Clock
—
2407 MHz
GPU Clock
800 MHz
—
Memory Clock
1050 MHz
4.2 Gbps effective
1750 MHz
28 Gbps effective
Memory
Memory Size
2 GB
32 GB
VRAM (MB)
2,048
32,768
+1500.0%
Memory Type
GDDR5
GDDR7
Memory Bus
256 bit
512 bit
Bandwidth
134.4 GB/s
1.79 TB/s
Cache
L1 Cache
8 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
96 MB
Performance
Pixel Rate
25.60 GPixel/s
423.6 GPixel/s
Texture Rate
38.40 GTexel/s
1,636.8 GTexel/s
FP32 (TFLOPS)
1.536 TFLOPS
104.8 TFLOPS
FP64 (TFLOPS)
—
1.637 TFLOPS (1:64)
FP16 (TFLOPS)
—
104.8 TFLOPS (1:1)
AI/RT
RT Cores
—
170
Tensor Cores
—
680
Power
TDP
254 W
575 W
TDP (W)
254
575
+126.4%
Suggested PSU
600 W
950 W
Power Connectors
2x 8-pin
1x 16-pin
Architecture
Architecture
TeraScale 2
Blackwell 2.0
GPU Name
Barts
GB202
Generation
Northern Islands
(HD 6800)
GeForce 50
Process Size
40 nm
5 nm
Transistors
1,700 million
92,200 million
Die Size
255 mm²
750 mm²
Foundry
TSMC
TSMC
Density
6.7M / mm²
122.9M / mm²
API Support
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
Vulkan
—
1.4
OpenCL
1.2
3.0
CUDA
—
12.0
Shader Model
5.0
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
—
304 mm
12 inches
Height
—
137 mm
5.4 inches
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
1x HDMI 2.1b3x DisplayPort 2.1b
Bus Interface
PCIe 2.0 x16
PCIe 5.0 x16
Other
Launch Price
—
2,299 USD
Production
End-of-life
Active
Predecessor
Evergreen
GeForce 40
Successor
Southern Islands
—