AMD Radeon Pro W6800X Duo vs NVIDIA TITAN X Pascal Comparison

AMD
RADEON

AMD Radeon Pro W6800X Duo

CORE STATE Navi 21
VRAM 32 GB
CLOCK SPEED 1967 MHz
TDP 400 W
BUS WIDTH 256 bit
ARCHITECTURE RDNA 2.0
nm
PROCESS 7 nm
LAUNCH DATE 2021
VS
NVIDIA
GEFORCE

TITAN X Pascal

CORE STATE GP102
VRAM 12 GB
CLOCK SPEED 1531 MHz
TDP 250 W
BUS WIDTH 384 bit
ARCHITECTURE Pascal
nm
PROCESS 16 nm
LAUNCH DATE 2016

PERFORMANCE BENCHMARKS

geekbench_metal
157,365
N/A
geekbench_opencl
124,335
66,696
geekbench_vulkan
125,622
77,499

Analysis: AMD Radeon Pro W6800X Duo vs NVIDIA TITAN X Pascal

Head-to-Head Benchmarks

The recorded data shows a decisive performance gap between the AMD Radeon Pro W6800X Duo and the NVIDIA TITAN X Pascal. In the two shared benchmark tests, the AMD card wins both, and the margins are substantial. In Geekbench OpenCL, the W6800X Duo scores 124,335 against the TITAN X Pascal’s 66,696, which translates to an 86.4% advantage. That is not a marginal lead; it is a near-doubling of compute throughput in this workload. The Vulkan test tells a similar story, with the AMD card posting 125,622 versus 77,499 for the NVIDIA card, a 62.1% delta. The AMD card’s average benchmark score of 135,774 across all recorded tests further cements its position, while the TITAN X Pascal averages 72,098.

The percentile rankings place these cards in different tiers. The W6800X Duo sits at the 96th percentile of all GPUs in the database, while the TITAN X Pascal reaches only the 91st percentile. The AMD card’s nearest rivals in the database include the AMD Radeon PRO W6800 (average score 135,396, just 0.3% behind), the NVIDIA A10M (135,230, 0.4% behind), and the NVIDIA RTX 4000 Ada Generation (135,218, 0.4% behind). The only rival ahead of it is the AMD Radeon PRO V620, which scores 136,472, a 0.5% edge. This means the W6800X Duo is operating at the top of its peer group, with margins measured in fractions of a percent rather than double digits.

For the TITAN X Pascal, the competitive picture is tighter but lower overall. Its nearest rivals include the AMD Radeon Pro Vega 64 (72,379, just 0.4% ahead), the AMD Radeon RX 6650M (71,768, 0.5% behind), and the AMD Radeon RX 6600 LE (70,829, 1.8% behind). The AMD Radeon Vega Frontier Edition sits 1.7% ahead with a score of 73,370. So while the TITAN X Pascal is competitive within its own generation, it is not in the same performance class as the W6800X Duo. The 86.4% OpenCL delta is the single largest gap in this head-to-head, and it underscores the generational and architectural divide between the two products.

FAQ

Q: Which GPU has the higher average benchmark score?

A: The AMD Radeon Pro W6800X Duo has an average benchmark score of 135,774, while the NVIDIA TITAN X Pascal averages 72,098. The AMD card leads by a wide margin.

Q: How does the AMD Radeon Pro W6800X Duo compare to its nearest rivals?

A: The AMD card’s closest competitor is the AMD Radeon PRO V620, which scores 136,472, a 0.5% advantage. The AMD Radeon PRO W6800 trails by 0.3%, the NVIDIA A10M trails by 0.4%, and the NVIDIA RTX 4000 Ada Generation trails by 0.4%.

Q: What is the performance difference in the Vulkan benchmark?

A: In Geekbench Vulkan, the AMD Radeon Pro W6800X Duo scores 125,622, and the NVIDIA TITAN X Pascal scores 77,499. The AMD card leads by 62.1%.

Q: Does the NVIDIA TITAN X Pascal have any benchmark win over the AMD card?

A: No. The head-to-head data shows two tests, Geekbench OpenCL and Geekbench Vulkan, and the AMD Radeon Pro W6800X Duo wins both. The win count is 2 for AMD and 0 for NVIDIA.

Q: Which GPU has the higher percentile ranking?

A: The AMD Radeon Pro W6800X Duo ranks at the 96th percentile of all GPUs, while the NVIDIA TITAN X Pascal ranks at the 91st percentile.

Q: What are the launch MSRPs of these two cards?

A: The AMD Radeon Pro W6800X Duo has a launch MSRP of 4,999 USD. The NVIDIA TITAN X Pascal has a launch MSRP of 1,199 USD.

Where Each One Wins

The AMD Radeon Pro W6800X Duo is the clear winner in raw compute performance. In Geekbench OpenCL, it delivers 86.4% more performance than the TITAN X Pascal, which is a massive lead for any workload that scales with FP32 throughput. The AMD card’s FP32 rating of 15.11 TFLOPS versus 10.97 TFLOPS for the NVIDIA card explains this advantage in part. The AMD card also has a significant edge in texture and pixel processing: 472.1 GTexel/s versus 342.9 GTexel/s, and 188.8 GPixel/s versus 147.0 GPixel/s. For tasks like 3D rendering, simulation, or any GPU compute that relies on these rates, the W6800X Duo is the better choice.

The NVIDIA TITAN X Pascal does not win any benchmark in this comparison, but the data does indicate where it remains relevant. Its 12 GB of GDDR5X memory on a 384-bit bus provides 480.4 GB/s of bandwidth, which is close to the AMD card’s 512.0 GB/s despite the AMD card having 32 GB of memory. The TITAN X Pascal also has a lower TDP of 250 W versus 400 W for the AMD card, and it uses a dual-slot form factor with standard PCIe 3.0 x16 connectivity. For systems that cannot accommodate a quad-slot Apple MPX card or that are constrained by power delivery, the TITAN X Pascal is the more practical option. The AMD card requires an 800 W suggested PSU, while the TITAN X Pascal only needs 600 W.

For use cases, the AMD card is ideal for professionals working in macOS environments, given its Apple MPX bus interface and display outputs of 1x HDMI 2.1 and 4x Thunderbolt. The NVIDIA card, with its PCIe 3.0 x16 interface and display outputs of 1x DVI, 1x HDMI 2.0, and 3x DisplayPort 1.4a, is better suited for traditional PC workstations. The TITAN X Pascal also supports DirectX 12 (12_1), while the AMD card supports DirectX 12 Ultimate (12_2), which matters for the latest gaming and real-time rendering features. However, for pure compute performance, the W6800X Duo is the only logical choice based on the recorded benchmarks.

Specification Differences

The two cards differ substantially across nearly every specification. The AMD Radeon Pro W6800X Duo has 32 GB of GDDR6 memory on a 256-bit bus, delivering 512.0 GB/s of bandwidth. The NVIDIA TITAN X Pascal has 12 GB of GDDR5X memory on a 384-bit bus, delivering 480.4 GB/s. Despite the narrower bus, the AMD card still achieves higher bandwidth due to faster memory clocks: 2000 MHz (16 Gbps effective) versus 1251 MHz (10 Gbps effective).

In terms of compute units, the AMD card has 3840 shading units, 240 texture mapping units, and 96 ROPs, along with 60 ray tracing cores. The NVIDIA card has 3584 shading units, 224 TMUs, and 96 ROPs, with no ray tracing cores. The AMD card’s clock speeds are also higher: base 1800 MHz and boost 1967 MHz, versus 1417 MHz base and 1531 MHz boost for the NVIDIA card. This clock advantage, combined with the extra shading units, drives the AMD card’s FP32 output of 15.11 TFLOPS versus 10.97 TFLOPS.

The AMD card supports FP16 at 30.21 TFLOPS with a 2:1 ratio, while the NVIDIA card manages 171.5 GFLOPS with a 1:64 ratio, a massive difference for mixed-precision workloads. Power consumption is another differentiator: the AMD card has a 400 W TDP, while the NVIDIA card has a 250 W TDP. The AMD card is a quad-slot design with an Apple MPX bus interface, while the NVIDIA card is a dual-slot design with PCIe 3.0 x16. The AMD card is 267 mm long and 120 mm tall, while the NVIDIA card is 267 mm long, 112 mm tall, and 40 mm wide. The NVIDIA card requires a 1x 6-pin plus 1x 8-pin power connector, while the AMD card’s power connector details are not recorded. The suggested PSU rating is 800 W for the AMD card and 600 W for the NVIDIA card.

Architecture Differences

The AMD Radeon Pro W6800X Duo is built on the RDNA 2.0 architecture, using the Navi 21 chip, and fabricated on a 7 nm process at TSMC. The NVIDIA TITAN X Pascal uses the Pascal architecture with the GP102 chip, fabricated on a 16 nm process, also at TSMC. The process node difference is significant: 7 nm versus 16 nm. This allows the AMD chip to pack 26,800 million transistors into a 520 mm² die, resulting in a transistor density of 51.5 million per mm². The NVIDIA chip has 11,800 million transistors on a 471 mm² die, with a density of 25.1 million per mm². The AMD card more than doubles the transistor count while using a smaller process, which explains its performance lead.

The AMD card belongs to the Radeon Pro Mac generation (Navi II Series), which indicates a focus on professional macOS workflows. The NVIDIA card belongs to the GeForce 10 generation, which is a consumer-oriented line from 2016. The release dates reflect this: the AMD card launched on August 2, 2021, while the NVIDIA card launched on August 1, 2016. The NVIDIA card has a predecessor in the GeForce 900 series and a successor in the GeForce 20 series, while the AMD card has no recorded predecessor or successor. Both cards are end-of-life in production status.

The AMD card supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The NVIDIA card supports DirectX 12 (12_1), OpenGL 4.6, and Vulkan 1.4. The DirectX version difference is notable: 12_2 enables features like ray tracing and mesh shaders, and the AMD card has 60 dedicated ray tracing cores, while the NVIDIA card has none. The AMD card’s FP16 performance is also dramatically higher, at 30.21 TFLOPS versus 171.5 GFLOPS, which stems from the RDNA 2.0 architecture’s support for packed math. The Pascal architecture, in contrast, was not designed for high-throughput FP16, giving it a 1:64 ratio. These architectural differences explain why the AMD card achieves an 86.4% lead in OpenCL and a 62.1% lead in Vulkan. The data clearly shows that the W6800X Duo is the more advanced and capable GPU across every measured metric.

DETAILED SPECIFICATIONS

SPECIFICATION
Pro W6800X Duo
TITAN X Pascal
Core Specs
Shading Units
3,840
3,584 -6.7%
Shaders
3,840
3,584 -6.7%
TMUs
240
224 -6.7%
ROPs
96
96 0.0%
Compute Units
60
—
SM Count
—
28
Clocks
Base Clock
1800 MHz
1417 MHz
Boost Clock
1967 MHz
1531 MHz
Memory Clock
2000 MHz 16 Gbps effective
1251 MHz 10 Gbps effective
Memory
Memory Size
32 GB
12 GB
VRAM (MB)
32,768
12,288 -62.5%
Memory Type
GDDR6
GDDR5X
Memory Bus
256 bit
384 bit
Bandwidth
512.0 GB/s
480.4 GB/s
Cache
L1 Cache
128 KB per Array
48 KB (per SM)
L2 Cache
4 MB
3 MB
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
188.8 GPixel/s
147.0 GPixel/s
Texture Rate
472.1 GTexel/s
342.9 GTexel/s
FP32 (TFLOPS)
15.11 TFLOPS
10.97 TFLOPS
FP64 (TFLOPS)
944.2 GFLOPS (1:16)
342.9 GFLOPS (1:32)
FP16 (TFLOPS)
30.21 TFLOPS (2:1)
171.5 GFLOPS (1:64)
AI/RT
RT Cores
60
—
Power
TDP
400 W
250 W
TDP (W)
400
250 -37.5%
Suggested PSU
800 W
600 W
Power Connectors
—
1x 6-pin + 1x 8-pin
Architecture
Architecture
RDNA 2.0
Pascal
GPU Name
Navi 21
GP102
Generation
Radeon Pro Mac (Navi II Series)
GeForce 10
Process Size
7 nm
16 nm
Transistors
26,800 million
11,800 million
Die Size
520 mm²
471 mm²
Foundry
TSMC
TSMC
Density
51.5M / mm²
25.1M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.1
3.0
CUDA
—
6.1
Shader Model
6.8
6.8
Physical
Slot Width
Quad-slot
Dual-slot
Length
267 mm 10.5 inches
267 mm 10.5 inches
Height
120 mm 4.7 inches
112 mm 4.4 inches
Outputs
1x HDMI 2.14x Thunderbolt
1x DVI1x HDMI 2.03x DisplayPort 1.4a
Bus Interface
Apple MPX
PCIe 3.0 x16
Other
Launch Price
4,999 USD
1,199 USD
Production
End-of-life
End-of-life
Predecessor
—
GeForce 900
Successor
—
GeForce 20
View Radeon Pro W6800X Duo Details View TITAN X Pascal Details